I forgot the link for the US prescribing information. Once again the link may not work as it is for physicians who prescribe in the US and there may be barriers...

https://www.erbituxhcp.com/pages/squamous-cell-carcinoma-of-the-head-and-neck-scchn.aspx

PS the Bonner study is the only legitimate randomised controlled trial available which looks at the efficacy and safety of cetuximab in head and neck cancer patients and who are naive to previous treatment. It is regarded as a pivotal or landmark study and is most certainly not out of date.